This issue has variants.
Underground Comix are known for using different prices, covers (art or color variations) and/or interior content to distinguish different printings.
There is no cover price on this comic.
1st print November 1970 has yellow background in Trashman logo. Rip Off Press logo broken under 'ss' in Press.
2nd print has yellow background in Trashman logo. ROP logo unbroken/complete.
3rd print and 4th print have red background in Trashman logo. No Rip Off Press logo.
4th print has matte cover.